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Drainage Kits
  • Shop All
  • Drainage Kits
    • Popular Manufacturers
      • TDS
      • NDS
      • POLYCAST®
      • ULMA
      • Zurn
      • All Manufacturers
    • Popular Drainage Systems
      • Dura Slope
      • Mini Channel
      • Polycast 600/700
      • Slim Channel
      • SS600
      • ULMA U100K(X)
      • All Drainage Systems
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      • Plastic
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      • Pour in Place (Concrete)
      • All Channel Materials
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      • All Load Classes
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    • Popular Manufacturers
      • TDS
      • Bronze Age
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      • Zurn
      • All Manufacturers
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      • Dura Slope
      • FP1200
      • Mini Channel
      • Polycast 600/700
      • Slim Channel
      • SS600
      • ULMA U100K(X)
      • All Drainage Systems
    • Grate Material
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  • MCKS-555GR-TDSdrains Sand Mini Channel with Deco Wave Poly Grate

    NDS 3" Sand Mini Channel Kit with NDS Wave Grate - Green

    NDS 3" Sand Mini Channel Kit with NDS Wave Grate - Green

    Regular price From $100.77 USD
    Regular price Sale price From $100.77 USD
    Unit price /  per 
  • Bronze Slotted Grate with Sand Mini Channel MCKS-TDS560-TDSdrains

    NDS 3" Sand Mini Channel Kit with TDS Bronze Age Slotted Grate - Natural

    NDS 3" Sand Mini Channel Kit with TDS Bronze Age Slotted Grate - Natural

    Regular price From $471.47 USD
    Regular price Sale price From $471.47 USD
    Unit price /  per 
  • ULMA D100 with 410 perforated stainless steel grate

    ULMA D100 Drain Channel w/410 Perforated w/Tread Galvanized Grate - Class A

    Sale

    ULMA D100 Drain Channel w/410 Perforated w/Tread Galvanized Grate - Class A

    Regular price From $249.86 USD
    Regular price $262.54 USD Sale price From $249.86 USD
    Unit price /  per 
    Sale
  • MCKS-TDS570-B-TDSdrains Sand Mini Channel with Deco Cathedral Bronze Grate

    NDS 3" Sand Mini Channel Kit with TDS Bronze Age Cathedral Grate -Brushed

    NDS 3" Sand Mini Channel Kit with TDS Bronze Age Cathedral Grate -Brushed

    Regular price From $520.97 USD
    Regular price Sale price From $520.97 USD
    Unit price /  per 
  • NDS500S-BA-BARS-BF

    NDS® 3" Sand Mini Channel Kit with TDS Bronze Age™ Bars Grate - BoOF

    NDS® 3" Sand Mini Channel Kit with TDS Bronze Age™ Bars Grate - BoOF

    Regular price From $258.32 USD
    Regular price Sale price From $258.32 USD
    Unit price /  per 
  • MCK-BA-TAR-BF NDS Mini Channel in Grey with TDS Bronze Age Tardis Grate in Ductile Iron

    NDS® 3" Gray Mini Channel Kit with TDS Bronze Age™ Tardis Grate - Ductile Iron

    NDS® 3" Gray Mini Channel Kit with TDS Bronze Age™ Tardis Grate - Ductile Iron

    Regular price From $177.29 USD
    Regular price Sale price From $177.29 USD
    Unit price /  per 
  • 5inch-cast-iron-grate-interlaken-2 IA-INTER-0520

    Iron Age IA-INTER-0418 Class B Interlaken Cast Iron 4" x 18" Grate - RAW

    Iron Age IA-INTER-0418 Class B Interlaken Cast Iron 4" x 18" Grate - RAW

    Regular price $147.29 USD
    Regular price Sale price $147.29 USD
    Unit price /  per 
  • NDS-252S-TDSdrains

    NDS 252S - Box of 12 - Class B ADA Heel-Proof Botanical HDPE 4" x 24" Grate - SAND

    NDS 252S - Box of 12 - Class B ADA Heel-Proof Botanical HDPE 4" x 24" Grate - SAND

    Regular price $665.06 USD
    Regular price Sale price $665.06 USD
    Unit price /  per 
  • Stainless Steel Perforated 3 inch Mini Channel Grate

    Perforated 316 Stainless Steel Grate 3″x12″ Load Class B

    Perforated 316 Stainless Steel Grate 3″x12″ Load Class B

    Regular price $83.00 USD
    Regular price Sale price $83.00 USD
    Unit price /  per 
  • DS-221 Galanized Slotted

    NDS DS-221 Class B Slotted Galvanized 6" x 24" Grate

    NDS DS-221 Class B Slotted Galvanized 6" x 24" Grate

    Regular price $82.23 USD
    Regular price Sale price $82.23 USD
    Unit price /  per 
  • Pedreda Aluminum Grates

    NDS 3" Sand Mini Channel Kit with TDS Bronze Age Pedreda Grate - Aluminum

    NDS 3" Sand Mini Channel Kit with TDS Bronze Age Pedreda Grate - Aluminum

    Regular price From $336.47 USD
    Regular price Sale price From $336.47 USD
    Unit price /  per 
  • NDS-Dura-XX-661-TDSdrains

    NDS® Dura Slope Kit with DS-661LG HDPE Slotted Grate | Light Gray

    NDS® Dura Slope Kit with DS-661LG HDPE Slotted Grate | Light Gray

    Regular price From $418.31 USD
    Regular price Sale price From $418.31 USD
    Unit price /  per 
  • NDS DS-226-SS Perforated Duraslope Grate

    NDS DS-226 Class A ADA Compliant Perforated Stainless 6" x 24" Grate

    NDS DS-226 Class A ADA Compliant Perforated Stainless 6" x 24" Grate

    Regular price $233.36 USD
    Regular price Sale price $233.36 USD
    Unit price /  per 
  • grey wave mini channel NDS

    NDS 555GY Class B ADA Compliant Wave Polyolefin 3" x 36" Grate - GRAY

    NDS 555GY Class B ADA Compliant Wave Polyolefin 3" x 36" Grate - GRAY

    Regular price $37.30 USD
    Regular price Sale price $37.30 USD
    Unit price /  per 
  • NDS-mini-555GR-TDSdrains

    NDS 3" Gray Mini Channel Kit with NDS Wave Grate - Green

    NDS 3" Gray Mini Channel Kit with NDS Wave Grate - Green

    Regular price From $94.73 USD
    Regular price Sale price From $94.73 USD
    Unit price /  per 
  • NDS 229 Stainless Steel Screws

    NDS 229 Stainless Screws for Spee-D® Channel Slotted Grates (48 PCS)

    NDS 229 Stainless Screws for Spee-D® Channel Slotted Grates (48 PCS)

    Regular price $39.28 USD
    Regular price Sale price $39.28 USD
    Unit price /  per 
  • Polycast-DG0442-galv-steel-grate-4ft-TDSdrains

    POLYCAST DG0442 Class A Slotted Galvanized 5" x 48" Grate

    POLYCAST DG0442 Class A Slotted Galvanized 5" x 48" Grate

    Regular price $89.26 USD
    Regular price Sale price $89.26 USD
    Unit price /  per 
  • Brushed Bronze Pedreda Grate

    NDS 3" Gray Mini Channel Kit with TDS Bronze Age Pedreda Grate - Brushed

    NDS 3" Gray Mini Channel Kit with TDS Bronze Age Pedreda Grate - Brushed

    Regular price From $514.94 USD
    Regular price Sale price From $514.94 USD
    Unit price /  per 
  • NDS500-BA-SLOT-A Aluminum

    NDS 3" Gray Mini Channel Kit with TDS Bronze Age Slotted Grate - Aluminum

    NDS 3" Gray Mini Channel Kit with TDS Bronze Age Slotted Grate - Aluminum

    Regular price From $330.44 USD
    Regular price Sale price From $330.44 USD
    Unit price /  per 
  • MCK-BA-cath-0336 Grey NDS Mini Channel with Stainless Steel Cathedral Grate

    3" Gray NDS Mini Channel Kit w/Cathedral 316L Stainless Steel HP Grates

    3" Gray NDS Mini Channel Kit w/Cathedral 316L Stainless Steel HP Grates

    Regular price From $306.44 USD
    Regular price Sale price From $306.44 USD
    Unit price /  per 
  • NDS919PB

    NDS® 919PB Round 6" Grate with Styrene Collar - Polished Brass

    NDS® 919PB Round 6" Grate with Styrene Collar - Polished Brass

    Regular price $225.94 USD
    Regular price Sale price $225.94 USD
    Unit price /  per 
  • NDS554-black-botanical-grate-TDS

    NDS 554 Class B ADA Compliant Botanical Polyolefin 3" x 36" Grate - BLACK

    NDS 554 Class B ADA Compliant Botanical Polyolefin 3" x 36" Grate - BLACK

    Regular price $37.30 USD
    Regular price Sale price $37.30 USD
    Unit price /  per 
  • MCK-BA-BARS-D NDS MIni Channel in Grey with TDS Bronze Age Grates in Ductile Iron

    NDS® 3" Gray Mini Channel Kit with TDS Bronze Age™ Bars Grate - Ductile Iron

    NDS® 3" Gray Mini Channel Kit with TDS Bronze Age™ Bars Grate - Ductile Iron

    Regular price From $177.29 USD
    Regular price Sale price From $177.29 USD
    Unit price /  per 
  • NDS833

    NDS® Pro Series 8 Deep Channel Drain Kit w/ Carbochon Grate BoOF

    NDS® Pro Series 8 Deep Channel Drain Kit w/ Carbochon Grate BoOF

    Regular price From $477.42 USD
    Regular price Sale price From $477.42 USD
    Unit price /  per 
  • NDS 541 - Box of 16 - Class B ADA Compliant Slotted HDPE 3" x 36" Grate - GREY

    NDS 541 - Box of 16 - Class B ADA Compliant Slotted HDPE 3" x 36" Grate - GREY

    NDS 541 - Box of 16 - Class B ADA Compliant Slotted HDPE 3" x 36" Grate - GREY

    Regular price $468.47 USD
    Regular price Sale price $468.47 USD
    Unit price /  per 
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Resources

Shipping / Returns

Determining Your Grate Size

Load Class Chart

Installer Map

Drainage News

  • How Do You Clean Out a Trench Drain Without Damaging It?

    May 27, 2026
  • What is Load Class and Why Is It Important?

    Feb 23, 2024
  • Keeping Livestock Safe – Grate Ideas

    Feb 02, 2024
  • TDS Bronze Age™ Collection

    Oct 31, 2023

On Sale

  • ULMA 424 / GN100KCC, Class C, Slotted Reinforced Galvanized Steel 124mm x 1M Grate

    ULMA 424 / GN100KCC, Class C, Slotted Reinforced Galvanized Steel 124mm x 1M Grate

    $80.36 $62.50
  • ULMA 420 / GN100KCA, Class A, Slotted Galvanized Steel 122mm x 1M Grate

    ULMA 420 / GN100KCA, Class A, Slotted Galvanized Steel 122mm x 1M Grate

    $37.45 $26.22
  • LD100X-2 Locking Device for ULMA Grates

    LD100X-2 Locking Device for ULMA Grates

    $12.96 $10.08
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